Astronomers are attempting to determine the nature of a strange signal picked up by a Russian telescope.
Astronomers are no closer to explaining the erratic behavior of this perplexing stellar phenomenon.
Scientists have calculated that it could be a long time indeed before we hear from intelligent aliens.
Three witnesses claimed to have encountered the entity around one week ago in the city of Santa Cruz.
A new study has suggested that the universe is likely to be teeming with extraterrestrial life forms.
The SETI Institute is aiming to find evidence of aliens in a place where nobody had thought to look.
A new study has suggested that it may be possible to stop alien civilizations from discovering us.
The US President commented on extraterrestrial contact during a television interview with a six-year-old.
Mysterious silica formations photographed in a Martian crater could represent evidence of alien life.
Even if we do find a habitable planet, could its indigenous life forms have already died out long ago ?
An astronomical anomaly thought by some to be an 'alien megastructure' has continued to defy explanation.
The famous 'Wow!' signal picked up in 1977 could turn out to have a rather mundane explanation.
Charles Bolden has commented on what would happen if NASA encountered an extraterrestrial life form.
Former police officer Alan Godfry had a close encounter with a UFO while on patrol back in November 1980.
Astronomers have been left puzzled by a star that appears to have an unexplained mass orbiting around it.
Professor Stephen Hawking has warned that hostile extraterrestrials could pose a threat to the Earth.
A new international poll has revealed that most people believe that there is alien life in the universe.
The famous Betty and Barney Hill alien abduction case will soon be making its big screen debut.
Researchers across the country have been attempting to come up with a message to send in to space.
Astrophysicists are hoping to one day track the spread of life from one star system to another.